Metal boat



F. SWEET.

METAL BOAT.

APPLICATION F|LED JULY 25, |919. 1,358,479. Patented Nov. 9,1920.

4 m 2 SHEETS-SHEET 1- @C l F. SWEET.

METAL BOAT.

APPLICATION FILED IuLY25, 1919.

Patented NOV. 9, 1920.

2 SHEETS-SHEET 2.

ATTR/VEY.

UNlTED retenir carrier..

FRANK swEET, oEEUEEALo, NEW Yoan, AssieNoE. .To ruime n. SWEET, orErmanno,

- :NEW YORK. v

Application filed .Tuly 25,

To all er1/0m t may concern.'

Be it known that I, FRANK SWEET a citizen of the United States,`residingat uifalo, in the county of Erie and State of New York, have invented anew and useful Improvement in Metal Boats, of which the following is asepcification.

This invention relates to improvements in boats, launches, tugs or thelike, which are made of metal.

The objects of this invention are to produce a boat of this kindconstructed of corrugated metal secured to metal ribs in such a manneras to produce a strong and durable construction; also to so constructthe boat that the lower edge portions thereof will `be more durable andwill not cause the boat to leak if these edge portions are chafedthrough; also to provide the boat with a bow plate or nose piece ofimproved construction; also to provide the boat with removal metalseats; also to improve the construction of devices of this kind in otherrespects hereinafter specified.

In the accompanaying drawings Figure l is a side elevation of a metalboat embodying the invention.

Fig. 2 is a top plan view thereof.

Fig. 3 is a fragmentary, longitudinal, sectional elevation thereof on anenlarged scale on line 3 8, Fig. 2.

Fig. 4 is a fragmentary, transverse, sectional elevation thereof on line4 4, Fig. l.

Fig. 5 is a rear elevation thereof.

Fig. 6 is a transverse sectional elevation thereof on line 6 6, Fig. 2.

Fig. 7 is a fragmentary, longitudinal, sectional elevation on `a stilllarger scale on line 7 7, Fig. 5.

Fig. 8 is a fragmentary, sectional, plan view thereof on line 8 8, Fig.l. Y

The boat shown in the accompanying drawings is of the flat bottom typebut it will be understood that the invention is not limited to this typeof boat since a roundbottomed boat may embody the features of theinvention.

The boat includes abottom A, sides B and a stern C, all of which aremade of corrugated sheet metal, the corrugations at the bottom and sidesof the boat extending lengthwise of the boat so as to afford very littleresistance to the movement of the boat through the water and so as tostrengthen METAL Bohr.

Specification of Letterslatent. Patgntd NGV, 9, 1920' 1919. Serial No.313,226.

theboat lengthwise. Thek corrugated metal 1s secured to the framework ofthe boat, which in the construction shown is made of angle irons but.which may be made of channel beams or members of other sectional shapeand which includes two lower angles or longitudinal frame members D, andupper anglesY or `longitudinal frame members E, the upper and lowerlongitudinal frame members being bent to conform to the shape ofthe boatand preferably meet at a point at the bow of the boat. The lowerlongitudinal members D are connected at intervals by means ofvtransversemembers F and the upper and lower longitudinal members are connected bymeans of ribs or upright frame members Gr. The corrugated metal isriveted or otherwise suitably secured to the longitudinal., transverseand upright frame members, the rivets being arranged in the parts` ofthe corrugations touching the framey members. v

The lower edges of the boat are preferably formed by bending the bottomplate A upwardly to overlap the side plates, and the edges of bothplates are secured to the upwardly extending flanges of the angle `ironsD, the lower edges of the side plates eX- tending beneath the bottom inthe form ofv hooks. The bottom A is also preferably secured to the lowerflangesof the lower longitudinal members, the upwardly extendingportions of the bottom plate being bulged downwardly and outwardly fromthe angle irons D and overlying the hooked portions of the sides B,thereby forming the rounded edges H. The connections between the bottomand side plates and the angles D are` preferably made by means of rivets.7L and the bottoni and side plates are preferably also welded to theangles D throughout their length in such a manner as to form awatertight jointV between the bottom and side plates and the lower`longitudinal members. The rounded edges H formed at the meeting of thesides and bottoni plates form skids or slides of double thickness ofmetal for the boat when the same is out of water. By welding the sideand bottom plates to the lower longitudinal members D, a water-tightjoint'is formed between the angles and the plates so that the wearingout or chaiing through of the portions H of the plates does not causeleaking of the boat and the provvision of this joint together with theskids Vprovided with a plate I bent substantially into if-shape andcovering the front ends'oii the side plates. The edges of the plate Iare preferably bent sov as to fit within the lcorrugations of the sideplates of the boat and are welded to the side plates, thus forming awater-tight connection and also reinforcing tliebow of the boat. Y

The vstern G of the boat is preferably rugations of which are arrangedvertically. rEhe joints .or seams between the bottom plate, sternplat-eend side plates are preferably welded so as to'form a rigid andsecure structure and to forni Vwater-tight seams. At the bow and thestern the boat is partly decked over by means of corrugate'dpieces K andI which are secured to deck beams s respectively, the deck beamsconnecting the upper longitudinal iframe members E and reinforcing thesame.

rlhe seats may be arranged in the boat in any desired manner. In theconstruction shown the seats are made removable land each seat comprisesa metal plate L which, it desired, may also be oit corrugated metaland'which is secured at one side to a beam Z which is secured at itsopposite ends to upright frame members G, preferably'by` means of boltswhich permit the beam Z and plate L connected thereto to be removedVfrom thc boat. rllie plates L are supported in their operativepositions by means of cleats or the like Z, which iny the constructionshown arein the shape of'V angle beams secured tothe Vcorrugated sideplates B of' V*the boat and on which the ends of. the seats rest. Thebeams Z of the seats also act asa reinforcement of the iframe ofl theboat,

'I he structure described has the advantage that the corrugations of theside and bottom plates reinforce the trame so that only fourlongitudinal ,traine members are needed for a boat of considerable size.By Vusing corrugated metal, the; plates may be thinner, since thecorrugations increase theV strength thereof and resist denting orotherwise de Jforming the plates. rThe' manneroi joining the 'edges andside plates of the Vboat insures a water-tight construction, requiringno calking and prevents leaks even when the vmetal oit the portions I-Iis worn through.

made by means ci a piece of metal, the corior the upright members G Eymaking the seats removable, the interior arrangement of the boat may be.readily i changed to suit the user;

I claim as my invention:

l. In a metal boat the combination ot' a ufJame including upper andlower longitudinal members, and side plates and bottom plates extendingthroughout the length of the lboat and madeV of corrugated metalarranged with the corrugations extending lengthwise of the boat,thelowcr edges of the sideplates Aand the outer edges ofthe bottom platebeing bent outwardly and overlapping and oriningskids ot a doublethickness of metal and being welded to said lower,

longitudinal members at opposite sidesv of said skids wherebythewearing' out of said skids will not cause leaking.

2. In a metal boat,'the combination of a frame including lower.longitudinal members consisting'of angle irons, and side platesV andbottom plates extending substantially throughoutthe length ot the Vboatand having corrugations extending lengthwise ot the boat, the loweredges or the side plates extending beneath the bottom in the form ofhooks, the sideY edges o' said bottom plate projecting downwardly,outwardly and upwai'dly from' said lowerlongitudinal meinbers Vandoverlapping the hooked portions of saidV side plates, said bottom platebeing welded to the horizontal side oi" the angle iron and said sideplates beingwelded tothe vertical side of said angle'l iron, thereby i`forming skids between said welded connections. V Y

3. In a metal boat, the combination of a trame, side plates havingcoriugations eX- tending lengthwise of the boat and meeting at the bowor' the boat, Va'bow plate bent into sjibstantially V-shape andconnecting the ends oi said sidezplates at the bow, the edges of saidbow plate being bent to coniormto said coriugations of the side platesand being secured to said side plates-toy form a water-tight connectiontherewith, and a stern plate to which the rear ends or" said 'sideVplates are connected, said bow and stern plates being iittedvto thecorrugated side It. Na Tniurnirrorr, Y A. B. TEMPLETON.

plates and being welded thereto to irorm ywater-tight connections.

